10.1364/OE.14.012310.m023 A. I. Strinić A. I. Strinić D. M. Jović D. M. Jović M. S. Petrović M. S. Petrović D. V. Timotijević D. V. Timotijević N. B. Aleksić N. B. Aleksić M. R. Belić M. R. Belić Media 23: Counterpropagating beams in nematic liquid crystals Optica Publishing Group 2006 nematic crystal media oe Optics Express 11 December 2006 Counterpropagating 2006-12-11 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_23_Counterpropagating_beams_in_nematic_liquid_crystals/4935641 Originally published in Optics Express on 11 December 2006 (oe-14-25-12310)